Files
cubelinux-kernel/Documentation/devicetree/bindings/phy/rockchip,rk3399-emmc-phy.yaml
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

65 lines
1.2 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/rockchip,rk3399-emmc-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip EMMC PHY
maintainers:
- Heiko Stuebner <heiko@sntech.de>
properties:
compatible:
const: rockchip,rk3399-emmc-phy
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
const: emmcclk
drive-impedance-ohm:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Specifies the drive impedance in Ohm.
enum: [33, 40, 50, 66, 100]
default: 50
rockchip,enable-strobe-pulldown:
type: boolean
description: |
Enable internal pull-down for the strobe
line. If not set, pull-down is not used.
rockchip,output-tapdelay-select:
$ref: /schemas/types.yaml#/definitions/uint32
description:
Specifies the phyctrl_otapdlysec register.
default: 0x4
maximum: 0xf
"#phy-cells":
const: 0
required:
- compatible
- reg
- "#phy-cells"
additionalProperties: false
examples:
- |
phy@f780 {
compatible = "rockchip,rk3399-emmc-phy";
reg = <0xf780 0x20>;
clocks = <&sdhci>;
clock-names = "emmcclk";
drive-impedance-ohm = <50>;
#phy-cells = <0>;
};